what is sonar ? and its work. explain
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Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels
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Sound Navigation And Ranging.
Passive sonar is used by the navy to find ships and submarines. Scientists use it to find whales or other animals in the sea they want to study. Activesonar is used to measure distance with sound. When sound hits an object, some of the sound waves are reflected back to the device.
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Passive sonar is used by the navy to find ships and submarines. Scientists use it to find whales or other animals in the sea they want to study. Activesonar is used to measure distance with sound. When sound hits an object, some of the sound waves are reflected back to the device.
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